H. Naz, M. Taha, A. A. Rahman, N. H. Ismail and S. Yousuf

Abstract: In the title compound, C19H20N2O6, the azomethine [C=N = 1.269 (2) Å] double bond adopts an E conformation and the dihedral angle between the planes of the benzene rings is 17.41 (11)°. In the crystal, inversion dimers linked by pairs of N-HO hydrogen bonds generate R22(16) loops. The dimers are connected by C-HO and C-HN hydrogen bonds, forming sheets lying parallel to (100).